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Microsoft Public IP Address Range (Updated Aug 2020)

Microsoft just updated the list of their IP Address Blocks, and here is the complete list as of August 2020.

13.64.0.0/11
13.96.0.0/13
13.104.0.0/14
20.33.0.0/16
20.34.0.0/15
20.36.0.0/14
20.40.0.0/13
20.48.0.0/12
20.64.0.0/10
20.128.0.0/16
20.130.0.0/16
20.135.0.0/16
20.136.0.0/16
20.140.0.0/15
20.143.0.0/16
20.144.0.0/14
20.150.0.0/15
20.157.0.0/16
20.160.0.0/12
20.176.0.0/14
20.180.0.0/14
20.184.0.0/13
20.192.0.0/10
23.96.0.0/13
40.64.0.0/10
42.159.0.0/16
51.4.0.0/15
51.8.0.0/16
51.10.0.0/15
51.12.0.0/15
51.18.0.0/16
51.51.0.0/16
51.53.0.0/16
51.103.0.0/16
51.104.0.0/15
51.107.0.0/16
51.116.0.0/16
51.120.0.0/16
51.124.0.0/16
51.132.0.0/16
51.136.0.0/15
51.138.0.0/16
51.140.0.0/14
51.144.0.0/15
52.96.0.0/12
52.112.0.0/14
52.120.0.0/14
52.125.0.0/16
52.126.0.0/15
52.130.0.0/15
52.132.0.0/14
52.136.0.0/13
52.145.0.0/16
52.146.0.0/15
52.148.0.0/14
52.152.0.0/13
52.160.0.0/11
52.224.0.0/11
64.4.0.0/18
65.52.0.0/14
66.119.144.0/20
68.18.0.0/15
68.154.0.0/15
68.210.0.0/15
68.218.0.0/15
68.220.0.0/15
70.37.0.0/17
70.37.128.0/18
70.152.0.0/15
70.156.0.0/15
72.144.0.0/14
72.152.0.0/14
74.160.0.0/14
74.176.0.0/14
74.224.0.0/14
74.234.0.0/15
74.240.0.0/14
74.248.0.0/15
91.190.216.0/21
94.245.64.0/18
98.64.0.0/14
98.70.0.0/15
102.37.0.0/16
102.133.0.0/16
103.9.8.0/22
103.25.156.0/24
103.25.157.0/24
103.25.158.0/23
103.36.96.0/22
103.255.140.0/22
104.40.0.0/13
104.146.0.0/15
104.208.0.0/13
108.140.0.0/14
111.221.16.0/20
111.221.64.0/18
128.94.0.0/16
129.75.0.0/16
131.107.0.0/16
131.253.1.0/24
131.253.3.0/24
131.253.5.0/24
131.253.6.0/24
131.253.8.0/24
131.253.12.0/22
131.253.16.0/23
131.253.18.0/24
131.253.21.0/24
131.253.22.0/23
131.253.24.0/21
131.253.32.0/20
131.253.61.0/24
131.253.62.0/23
131.253.64.0/18
131.253.128.0/17
132.245.0.0/16
134.170.0.0/16
134.177.0.0/16
135.149.0.0/16
137.116.0.0/15
137.135.0.0/16
138.91.0.0/16
138.196.0.0/16
138.239.0.0/16
139.217.0.0/16
139.219.0.0/16
141.251.0.0/16
143.64.0.0/16
146.147.0.0/16
147.145.0.0/16
147.243.0.0/16
148.7.0.0/16
150.171.0.0/16
150.242.48.0/22
155.62.0.0/16
157.54.0.0/15
157.56.0.0/14
157.60.0.0/16
158.158.0.0/16
159.27.0.0/16
163.228.0.0/16
167.105.0.0/16
167.220.0.0/16
168.61.0.0/16
168.62.0.0/15
169.138.0.0/16
170.165.0.0/16
191.232.0.0/13
192.32.0.0/16
192.48.225.0/24
192.84.159.0/24
192.84.160.0/23
192.197.157.0/24
192.237.67.0/24
193.149.64.0/19
193.221.113.0/24
194.69.96.0/19
194.110.197.0/24
198.105.232.0/22
198.137.97.0/24
198.180.95.0/24
198.180.96.0/23
198.200.130.0/24
198.206.164.0/24
199.30.16.0/20
199.60.28.0/24
199.74.210.0/24
199.103.90.0/23
199.103.122.0/24
199.242.32.0/20
199.242.48.0/21
202.89.224.0/20
204.13.120.0/21
204.14.180.0/22
204.79.135.0/24
204.79.179.0/24
204.79.181.0/24
204.79.188.0/24
204.79.195.0/24
204.79.196.0/23
204.79.252.0/24
204.152.18.0/23
204.152.140.0/23
204.231.192.0/24
204.231.194.0/23
204.231.197.0/24
204.231.198.0/23
204.231.200.0/21
204.231.208.0/20
204.231.236.0/24
205.174.224.0/20
206.138.168.0/21
206.191.224.0/19
207.46.0.0/16
207.68.128.0/18
208.68.136.0/21
208.76.44.0/22
208.84.0.0/21
209.240.192.0/19
213.199.128.0/18
216.32.180.0/22
216.220.208.0/20
2001:67c:1020::/48
2001:df0:7::/48
2001:df0:d7::/48
2001:df0:d8::/48
2001:df0:d9::/48
2001:4898::/32
2001:489a:2000::/35
2404:f801::/32
2602:fd5e::/36
2603:1000::/24
2620:0:30::/45
2620:1ec::/36
2801:80:1d0::/48
2a01:110::/32
2a01:111::/32
2a01:4180::/32

(Src: Microsoft Public IP Space from Official Microsoft Download Center.)

The above list is subject to change — be sure to check out the published date first. And if you’re looking for telemetry related IP range, check out this Reddit link instead.

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